🧡Need to buy 2 or above units for communication.💗 ✅【All goods are in stock】 💁【We ship within 24 hours of your order】 🚚【You can receive the package within 5 to 10 days】 Need to buy 2 or above units for communication. Up to 30 devices can be connected at the same time. 1, Our wireless intercom has passed all the professional certificate, like FCC, CE, RoSH, etc. 2, No network requirements: This wireless intercom does not need to be connected to the network to use, and there is no need to check the phone card, and there will be no phone charges. 3, This wireless intercom for home has 10 channels (made of advanced anti-interference technology) and 3 secret digital codes to meet your different communication requirements in different situations. 4, Our home intercom system has 4 main function: Monitor, Talk, Group and Call. Widely used at home or office, make your life and work communication become more convenient Long Range + Radio Sound. 5, Our new release long range intercom system is inserted superior crisp chip to provide you the crystal sound quality and prevent interference. 6, The effective distance of this intercoms wireless is 1 km up to the actual circumstance. Perfect for department to department, room to room, building to building communication No Need Battery. 7, This wireless intercoms is powered by a usb cable, which is easy for connected by power bank. No need battery charging or phone wire on the wall. 8, Suitable for both indoor and outdoor usage, and help you keep your space in original shape, clean and you can take it to any place you want. 9, Package list: - 1 x wireless intercom system, 1 x usb cables, 1 x adpater, 1 xmanual instruction. Please contact us if you have any question in usage or need any help, we are very willing to solve all the problem for you Features 1. Easy to use " Instant" intercom system 2. Individually call and group call function 3. Lock button (or monitor function) let you talk continuously 1 Hour Advantage Easy set up, no installation requirement. Can move to different room. Simple intercom system. One to one selective communication or one speak to all intercom simultaneously. Family Application Desktop use & wall mounted use. You can program different channel number for each intercom or at same channel number. You can choose one to one communication or one to all. You can use mobile power pack. Office Application You can program different channel for each room or department. Group call can use for Emergency Notice and meeting use. Place of Origin: China Brand Name: SANZUCO Type: Handheld Frequency Range: 462mhz Talk Range: 1 KM Storage Channel: 10 Dimensions: 18 X 12 X 2.54 CM CTCSS/CDCSS Codes: 3